Vacuum bottle



FIG. 1 is a perspective view of a vacuum bottle showing my new design;

FIG. 2 is a perspective view thereof, viewed from the opposite direction;

FIG. 3 is a front elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a left side elevation thereof, the opposite right side elevation being mirror image thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a vacuum bottle, as shown and described. 